When a male is having anal intercourse or in the doggy-style position with a fat chew in his lip. He secrectly takes his lipper out and places it in the females brown eye then packs it down with his raging cock. Much like an old war weapon- the musket.

"Shawn was fucking Norm so hard in the ass the other night and Norm begged for sully to fill him so he proceded to plug his butthole with the confederate musketball..Norm replied with, "man it turns me on that you can reload so fast..again again again!!